Female tenant farmer on the steps of her home. Photograph from scrapbook entitled, "Picture Story of Trinity School." Caption reads: A TENANT FARMER'S HOME. (Evidently the Boss does not like visitors.)

Crowd scene of African Americans and whites gathered around discarded objects on the ground. Photograph from scrapbook entitled, "Picture Story of Trinity School." Caption reads: SOMETHING EVIDENTLY WENT WRONG WITH THIS SALE.

Over the past 30 years, sourcing studies have shown that grey obsidian from northeastern Michoacan enjoyed a widespread temporal and spatial distribution across archaeological sites in Mesoamerica. In light of its pan-Mesoamerican occurrence, the...